LM48413TLX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High efficiency - Low noise - Small package size - Wide supply voltage range

Package: Thin QFN (Quad Flat No-Lead)

Essence: The LM48413TLX/NOPB is a high-performance audio amplifier IC designed for portable devices such as smartphones, tablets, and portable media players.

Packaging/Quantity: The LM48413TLX/NOPB is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.5W per channel
• Efficiency: >90%
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM48413TLX/NOPB has a total of 24 pins arranged as follows:

Pin 1: VDD Pin 2: GND Pin 3: SDZ Pin 4: SDA Pin 5: SCL Pin 6: LOUTN Pin 7: LOUTP Pin 8: LINP Pin 9: LINN Pin 10: SHUTDOWN Pin 11: RINN Pin 12: RINP Pin 13: ROUTP Pin 14: ROUTN Pin 15: BST Pin 16: VDD Pin 17: GND Pin 18: PVDD Pin 19: VDD Pin 20: GND Pin 21: PVDD Pin 22: VDD Pin 23: GND Pin 24: PVDD

Functional Features

• Class D amplifier architecture for high efficiency
• Integrated charge pump for boosting the supply voltage
• I2C control interface for easy configuration
• Shutdown mode to minimize power consumption
• Short-circuit and thermal protection

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Low noise ensures high-quality audio output - Small package size saves board space - Wide supply voltage range allows compatibility with various devices

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for proper operation

Working Principles

The LM48413TLX/NOPB is a class D audio amplifier that uses pulse-width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the final audio output. The integrated charge pump boosts the supply voltage, allowing the amplifier to deliver higher power levels.

Detailed Application Field Plans

The LM48413TLX/NOPB is commonly used in portable electronic devices where space and power efficiency are crucial. Some potential application fields include: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Alternative Models

• LM4863LQ/NOPB
• TPA3116D2PWPR
• MAX98357AETE+T
• TAS5717PHPR
• PAM8403DR

These alternative models offer similar functionality and can be considered as substitutes for the LM48413TLX/NOPB depending on specific requirements.

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